New posts in Office Hours

Is it rude to visit a professor's office during office hours after he/she doesn't respond to my email?

Saying no to student requests for excessive appointments and help solving homework

How do I politely decline student requests to meet during my "research time?"

Is it frowned upon to go to office hours as a graduate student?

Limits on one student using all of one's office hours?

Is it acceptable to ask an unknown professor outside my dept for help in a related field during his office hours?

Will I look bad if I'm never in my office as a graduate student?

Female students coming to office hours in overly revealing clothing

Effective ways of encouraging "weak" students to make use of office hours

Is it acceptable to ask a professor for advice regarding a subject not taught in, but related to their class?